CN101863066A - Production process for flame-retardant medium and high-density board - Google Patents
Production process for flame-retardant medium and high-density board Download PDFInfo
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- CN101863066A CN101863066A CN 201010162991 CN201010162991A CN101863066A CN 101863066 A CN101863066 A CN 101863066A CN 201010162991 CN201010162991 CN 201010162991 CN 201010162991 A CN201010162991 A CN 201010162991A CN 101863066 A CN101863066 A CN 101863066A
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Abstract
The invention relates to a production process for a flame-retardant medium and high-density board. The production process comprises the processes of screening, cleaning, digesting and softening, hot grinding, glue mixing and applying, drying, forming and hot pressing of a wood chip, wherein the digesting and softening process is performed at twice; in the second digesting process, the vapor pressure in a digester is 0.70 to 0.80 MPa, and the digesting time is 3 to 5 minutes; in the hot grinding process, the pressure of a grinding chamber is 0.01 to 0.02 MPa less than the pressure of the digester; in the glue applying process after the hot grinding, 8 to 13 percent of urea resin, 2 to 4 percent of curing agent, 1 to 1.5 percent of paraffin and 10 to 30 percent of flame retardant are applied respectively based on the mass of dried fiber in mass%; and the hot pressing temperature is between 200 and 230 DEG C, the hot pressing is performed under the conditions of the hot pressing temperature of 200 and 230 DEG C and the hot press factor of 9 to 18 s/mm, and the density is controlled to be between 800 and 920g/cm<3>. The novel flame-retardant fiberboard produced by the process has the advantages of high combustion temperature, low smoke output after combustion, high safety level and all indicators meeting the national standard.
Description
Technical field
The invention belongs to the Wood-based Panel Production technical field, is a kind of novel flame-retardant sheet material technology, particularly a kind of middle and higher density fiberboard ignition temperature height, and burning back smoke-producing amount is low, the technology that safe class is high.
Background technology
Along with developing rapidly of society, fire has become in the world today the higher a kind of disaster of occurrence frequency in the multiple disaster, also is a kind of disaster of space-time span maximum.According to statistics in recent years, China every year, only the direct property loss that causes of fire reached more than 10 hundred million yuan, had caused tremendous loss for the country and people masses' lives and properties.Stern reality makes country propose Compulsory Feature to the nontoxic anti-flammability of indoor hardware fittings such as wood-based plate, textile fabrics.
Summary of the invention
Purpose of the present invention is exactly on the basis of existing equipment and technological process, urea-formaldehyde resin adhesive is carried out modification, it is smooth that while interpolation BACN in sheet material is produced surfacing, the ignition temperature height, burning back smoke-producing amount is low, and safe class is high and be applied to the flame retardant type middle-high density board production technology of public place such as indoor.
The invention provides following technical scheme: the screening, cleaning, boiling that comprises wood chip is softening, defibrator process, glue compounding and applying, drying, mat formation moulding and hot pressing process.Wherein: the boiling softening process carries out at twice, and the steam pressure in the boiling cylinder is 0.70-0.80Mpa in the digestion process for the second time, digestion time 3-5 minute; The pressure of mill chamber is lower than the pressure 0.01-0.02Mpa of boiling cylinder in the heat mill process; Apply the Lauxite of 8-13%, the curing agent of 2-4%, the paraffin of 1-1.5% and the fire retardant of 10-30% respectively according to accounting for dried fiber quality ratio in the applying glue operation after defibrator process; Dried fiber moisture 7-11%; Hot pressing temperature 200-230 ℃, carry out hot pressing under the hot pressing condition of hot pressing factor 9-18s/mm, density is controlled at 800-920g/cm
3
Described Lauxite is for using cyanurotriamide modified urea resin glue, by purity is that the formaldehyde of 36-39%, the urea of 95-100%, the melamine of 96-100% are made, formaldehyde, urea, each composition weight of melamine account for the 45-60% of cyanurotriamide modified urea resin glue gross weight respectively, 35-50%, 3-10%; The quality of nitrogen-containing compound, boride, aluminum contained compound accounts for 1-10%, 35-50%, the 45-55% of fire retardant gross mass respectively in the described fire retardant.
Advantage of the present invention: the novel flame-retardant fiberboard ignition temperature height of this explained hereafter, burning back smoke-producing amount is low, burning velocity is slow, the safe class height, can be used in the public place of population collection, the every index of being produced of middle and higher density fiberboard all can satisfy national standard, shows smooth smoothly, does not influence secondary operations.
Description of drawings
Accompanying drawing is a kind of complete process flow figure of specific embodiment.
The specific embodiment
Complete production process of the present invention comprises: former wooden shavings and outsourcing are chipped after the wood chip stacking screening, carry out chip washing, pre-boiling, defibrator process, interpolation fire retardant and glue compounding and applying, drying, the moulding of mating formation, precompressed, slab edging, hot pressing, cutting edge, jack saw, turnover panel cooling, stacking, storage health, sanding, sawing, check successively and grade, put in storage.
Present embodiment is on aforementioned operation basis, and following content is transformed innovation:
Embodiment 1: will long 40mm, and wide 15mm, the clean sheet of the log of thick 2mm is washed, and removes the impurity such as silt on wood chip surface.Wood chip after the washing is transported to pre-boiling cylinder by the wood chip pump and carries out preliminarily softened, and then delivers to boiling in the boiling cylinder by the stopper spiral, and is further softening.Steam pressure in the boiling cylinder is 0.70Mpa, and the pressure of mill chamber is lower than the about 0.01Mpa of pressure of boiling cylinder, by the Grinding Quality of pressure reduction raising fiber, digestion time 3 minutes.Fibre is separated in the mill chamber that enters defibrator after chip steaming is abundant, add quality then in the fiber and be 15% BACN of cyanurotriamide modified urea resin colloid amount, the quality of nitrogen-containing compound, boride, aluminum contained compound accounts for 5%, 45%, 50% of fire retardant gross mass respectively in this BACN.The ratio that accounts for bone dry fiber weight 8% according to the solid gum quality in the fiber applies cyanurotriamide modified urea resin glue, apply the curing agent that the solid curing agent quality accounts for solid melamine modified urea-formaldehyde resin glue weight 2%, apply the paraffin that accounts for solid melamine modified urea-formaldehyde resin glue weight 1%; Drying also keeps fiber moisture 8%, the moulding of mating formation, and be hot pressed into fiberboard.Wherein, cyanurotriamide modified urea resin glue is that 36% formaldehyde, 95% urea, 96% melamine are made by industrial chemicals purity mainly, and formaldehyde, urea, each composition weight of melamine account for 45%, 50%, 5% of cyanurotriamide modified urea resin glue gross weight respectively.
Embodiment 2: will long 60mm, and wide 30mm, the clean sheet of the log of thick 6mm is washed, and removes the impurity such as silt on wood chip surface.Wood chip after the washing is transported to pre-boiling cylinder by the wood chip pump and carries out preliminarily softened, and then delivers to boiling in the boiling cylinder by the stopper spiral, and is further softening.Steam pressure in the boiling cylinder is 0.80Mpa, and the pressure of mill chamber is lower than the about 0.02Mpa of pressure of boiling cylinder, by the Grinding Quality of pressure reduction raising fiber, digestion time 5 minutes.Fibre is separated in the mill chamber that enters defibrator after chip steaming is abundant, add quality then in the fiber and be 30% BACN of cyanurotriamide modified urea resin colloid amount, the quality of nitrogen-containing compound, boride, aluminum contained compound accounts for 10%, 45%, 45% of fire retardant gross mass respectively in this BACN.The ratio that accounts for bone dry fiber weight 13% according to the solid gum quality in the fiber applies cyanurotriamide modified urea resin glue, apply the curing agent that the solid curing agent quality accounts for solid melamine modified urea-formaldehyde resin glue weight 4%, apply the paraffin that accounts for solid melamine modified urea-formaldehyde resin glue weight 1.5%, drying also keeps fiber moisture 12%, the moulding of mating formation, and be hot pressed into fiberboard.Wherein, cyanurotriamide modified urea resin glue is that the formaldehyde of 36-39%, the urea of 95-100%, the melamine of 96-100% are made by industrial chemicals purity mainly, and formaldehyde, urea, each composition weight of melamine account for 60%, 35%, 5% of cyanurotriamide modified urea resin glue gross weight respectively.
Embodiment 3: will long 50mm, and wide 20mm, the clean sheet of the log of thick 5mm is washed, and removes the impurity such as silt on wood chip surface.Wood chip after the washing is transported to pre-boiling cylinder by the wood chip pump and carries out preliminarily softened, and then delivers to boiling in the boiling cylinder by the stopper spiral, and is further softening.Steam pressure in the boiling cylinder is 0.75Mpa, and the pressure of mill chamber is lower than the about 0.015Mpa of pressure of boiling cylinder, by the Grinding Quality of pressure reduction raising fiber, digestion time 4 minutes.Fibre is separated in the mill chamber that enters defibrator after chip steaming is abundant, add quality then in the fiber and be 20% BACN of cyanurotriamide modified urea resin colloid amount, the quality of nitrogen-containing compound, boride, aluminum contained compound accounts for 5%, 45%, 50% of fire retardant gross mass respectively in this BACN.The ratio that accounts for bone dry fiber weight 10% according to the solid gum quality in the fiber applies cyanurotriamide modified urea resin glue, apply the curing agent that the solid curing agent quality accounts for solid melamine modified urea-formaldehyde resin glue weight 2-4%, apply the paraffin that accounts for solid melamine modified urea-formaldehyde resin glue weight 1.2%, drying also keeps fiber moisture 10%, the moulding of mating formation, and be hot pressed into fiberboard.Wherein, cyanurotriamide modified urea resin glue is that the formaldehyde of 36-39%, the urea of 95-100%, the melamine of 96-100% are made by industrial chemicals purity mainly, and formaldehyde, urea, each composition weight of melamine account for 50%, 45%, 5% of cyanurotriamide modified urea resin glue gross weight respectively.
Cyanurotriamide modified urea resin glue in the foregoing description can adopt the said method self-control, also can directly purchase, but be to use self-control glue to cooperate the performance parameter of the medium and high density fibre panel of above-mentioned technology preparation obviously to be better than purchasing glue.
The relevant parameter value range that provides in the foregoing description comes out through practice summary, and combination collocation all is effectively arbitrarily in its scope bag, enumerates no longer one by one here.
Claims (2)
1. flame retardant type middle-high density board production technology, the screening, cleaning, boiling that comprises wood chip is softening, defibrator process, glue compounding and applying, drying, mat formation moulding and hot pressing process, it is characterized in that: the boiling softening process carries out at twice, the steam pressure in the boiling cylinder is 0.70-0.80Mpa in the digestion process for the second time, digestion time 3-5 minute; The pressure of mill chamber is lower than the pressure 0.01-0.02Mpa of boiling cylinder in the heat mill process; Apply the Lauxite of 8-13%, the curing agent of 2-4%, the paraffin of 1-1.5% and the fire retardant of 10-30% respectively according to accounting for dried fiber quality ratio in the applying glue operation after defibrator process; Dried fiber moisture 7-11%; Hot pressing temperature 200-230 ℃, carry out hot pressing under the hot pressing condition of hot pressing factor 9-18s/mm, density is controlled at 800-920g/cm
3
2. the production technology of flame-retardant medium and high-density board according to claim 1, it is characterized in that: described Lauxite is for using cyanurotriamide modified urea resin glue, by purity is that the formaldehyde of 36-39%, the urea of purity 95-100%, the melamine of purity 96-100% are made, formaldehyde, urea, each composition weight of melamine account for the 45-60% of cyanurotriamide modified urea resin glue gross weight respectively, 35-50%, 3-10%; The quality of nitrogen-containing compound, boride, aluminum contained compound accounts for 1-10%, 35-50%, the 45-55% of fire retardant gross mass respectively in the described fire retardant.
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| CN 201010162991 CN101863066A (en) | 2009-10-16 | 2010-03-29 | Production process for flame-retardant medium and high-density board |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303345A (en) * | 2011-07-05 | 2012-01-04 | 山东大学 | B-P-Zn-Si series density board flame-retardant mildew-proof agent and preparation and application thereof |
| CN102303347A (en) * | 2011-07-05 | 2012-01-04 | 山东大学 | B-P-Zn-Sb-Si series density board flame-retardant mildew-proof agent composition and preparation and application thereof |
| CN102303346A (en) * | 2011-07-05 | 2012-01-04 | 山东大学 | B-P-Mg-Si series density fiber board inflaming-retarding mildewproof agent and preparation and application thereof |
| CN102303344A (en) * | 2011-07-05 | 2012-01-04 | 山东大学 | B-P-Sb-Si series density fibre board inflaming-retarding mildewproof agent and preparation and application thereof |
| CN103112073A (en) * | 2013-03-04 | 2013-05-22 | 云南玉加宝人造板有限公司 | Fiber plate and manufacture method thereof |
| CN103406970A (en) * | 2013-08-29 | 2013-11-27 | 广西三威林产工业有限公司 | Method for manufacturing flame-retardant medium-high density fiberboard |
| CN103406968A (en) * | 2013-05-07 | 2013-11-27 | 广西大学 | High-grade environment-friendly flame-retardant fiberboard and manufacturing method thereof |
| WO2014169749A1 (en) * | 2013-04-19 | 2014-10-23 | Ju Changlin | Plant fibre composite fireproof plate and manufacturing method thereof |
| CN104440578A (en) * | 2014-10-31 | 2015-03-25 | 博罗县创丰木业有限公司 | Sanding powder recycling device and method |
| CN104875267A (en) * | 2015-05-20 | 2015-09-02 | 福建省永安林业(集团)股份有限公司 | Preparation method of medium-density fiber board for door plate of closet door |
| CN104960065A (en) * | 2015-05-27 | 2015-10-07 | 合肥卓元科技服务有限公司 | Laminate substrate process based on melamine modifying urea-formaldehyde resin adhesive |
| CN106333530A (en) * | 2016-08-29 | 2017-01-18 | 广西横县正林木业有限公司 | Method for producing cabinet board by adopting flame-retardant composite urea resin |
| CN107523249A (en) * | 2017-07-11 | 2017-12-29 | 英杰惠能（北京）能源新技术有限公司 | Multiphase composite flame-proof resin and preparation method thereof |
| CN109016059A (en) * | 2018-08-17 | 2018-12-18 | 阜阳大可新材料股份有限公司 | A kind of preparation method of ultra-thin ultra-low formaldehyde burst size fiberboard |
| CN109203166A (en) * | 2018-10-16 | 2019-01-15 | 湖北吉象人造林制品有限公司 | A kind of manufacturing method of fire-retardant deep trouth molded door skin |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303345B (en) * | 2011-07-05 | 2013-07-24 | 山东大学 | B-P-Zn-Si series density board flame-retardant mildew-proof agent and application thereof |
| CN102303347A (en) * | 2011-07-05 | 2012-01-04 | 山东大学 | B-P-Zn-Sb-Si series density board flame-retardant mildew-proof agent composition and preparation and application thereof |
| CN102303346A (en) * | 2011-07-05 | 2012-01-04 | 山东大学 | B-P-Mg-Si series density fiber board inflaming-retarding mildewproof agent and preparation and application thereof |
| CN102303344A (en) * | 2011-07-05 | 2012-01-04 | 山东大学 | B-P-Sb-Si series density fibre board inflaming-retarding mildewproof agent and preparation and application thereof |
| CN102303345A (en) * | 2011-07-05 | 2012-01-04 | 山东大学 | B-P-Zn-Si series density board flame-retardant mildew-proof agent and preparation and application thereof |
| CN102303347B (en) * | 2011-07-05 | 2013-07-03 | 山东大学 | B-P-Zn-Sb-Si series density board flame-retardant mildew-proof agent composition and preparation and application thereof |
| CN102303344B (en) * | 2011-07-05 | 2013-07-03 | 山东大学 | B-P-Sb-Si series density fibre board inflaming-retarding mildewproof agent and preparation and application thereof |
| CN102303346B (en) * | 2011-07-05 | 2013-07-03 | 山东大学 | B-P-Mg-Si series density fiber board inflaming-retarding mildewproof agent and preparation and application thereof |
| CN103112073B (en) * | 2013-03-04 | 2015-10-07 | 云南玉加宝人造板有限公司 | A kind of fiberboard and production method thereof |
| CN103112073A (en) * | 2013-03-04 | 2013-05-22 | 云南玉加宝人造板有限公司 | Fiber plate and manufacture method thereof |
| WO2014169749A1 (en) * | 2013-04-19 | 2014-10-23 | Ju Changlin | Plant fibre composite fireproof plate and manufacturing method thereof |
| CN103406968A (en) * | 2013-05-07 | 2013-11-27 | 广西大学 | High-grade environment-friendly flame-retardant fiberboard and manufacturing method thereof |
| CN103406968B (en) * | 2013-05-07 | 2015-06-17 | 广西大学 | High-grade environment-friendly flame-retardant fiberboard and manufacturing method thereof |
| CN103406970A (en) * | 2013-08-29 | 2013-11-27 | 广西三威林产工业有限公司 | Method for manufacturing flame-retardant medium-high density fiberboard |
| CN104440578A (en) * | 2014-10-31 | 2015-03-25 | 博罗县创丰木业有限公司 | Sanding powder recycling device and method |
| CN104875267A (en) * | 2015-05-20 | 2015-09-02 | 福建省永安林业(集团)股份有限公司 | Preparation method of medium-density fiber board for door plate of closet door |
| CN104960065A (en) * | 2015-05-27 | 2015-10-07 | 合肥卓元科技服务有限公司 | Laminate substrate process based on melamine modifying urea-formaldehyde resin adhesive |
| CN106333530A (en) * | 2016-08-29 | 2017-01-18 | 广西横县正林木业有限公司 | Method for producing cabinet board by adopting flame-retardant composite urea resin |
| CN107523249A (en) * | 2017-07-11 | 2017-12-29 | 英杰惠能（北京）能源新技术有限公司 | Multiphase composite flame-proof resin and preparation method thereof |
| CN107523249B (en) * | 2017-07-11 | 2020-10-30 | 英杰惠能（北京）能源新技术有限公司 | Multiphase composite flame-retardant resin and preparation method thereof |
| CN109016059A (en) * | 2018-08-17 | 2018-12-18 | 阜阳大可新材料股份有限公司 | A kind of preparation method of ultra-thin ultra-low formaldehyde burst size fiberboard |
| CN109203166A (en) * | 2018-10-16 | 2019-01-15 | 湖北吉象人造林制品有限公司 | A kind of manufacturing method of fire-retardant deep trouth molded door skin |
| CN109203166B (en) * | 2018-10-16 | 2019-06-28 | 湖北吉象人造林制品有限公司 | A kind of manufacturing method of fire-retardant deep trouth molded door skin |
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Open date: 20101020 |